ATL

ATL may stand for:

Geography

• Atlanta, United States
  • Hartsfield–Jackson Atlanta International Airport (IATA airport code: ATL)
• Attleborough railway station, its National Rail code

Media

• ATL (film), a 2006 film set in the city of Atlanta, Georgia, USA
• Above the line (advertising), an advertising strategy
• Across the Line (BBC Radio Ulster), a BBC Northern Ireland music brand
• ATL (band), an R&B boy band
• Above the Law (group), a Los Angeles-based rap group
• All Time Low, a pop-punk band from Lutherville-Timonium, Maryland
• Among the Living, an album by Anthrax (band)
• A Thousand Leaves, an album by Sonic Youth

Technology

• Advanced tactical laser, a US military program to mount a high energy laser weapon on an aircraft for use against ground targets
• Americans for Technology Leadership, an organization that advocates limited government regulation of technology
• Active Template Library, from Microsoft
• ATLAS Transformation Language, a QVT model transformation language for Model Driven Engineering

Other

• Abbreviation for assistant team leader.
• Adult T-cell leukemia, a rare cancer of the immune system's own T-cells
• Alternating-time Temporal Logic, a branching-time temporal logic that naturally describes computations of multi-agent system and multiplayer games
• Association of Teachers and Lecturers, a teachers' union in the UK
• Authority To Leave - Allows courier or other delivery person to leave an item without getting a signature; e.g. "ATL by back door"

See also

• Above the line (disambiguation)
• Atlantis
• Atlas
• Atlatl
• Dr. Atl